The correct answer is - A) Permafrost used to be permanent.
The permafrost used to be permanent until recently, so using certain techniques of building on it functioned properly. But with the climate changes that are becoming more and more evident, the permafrost is no longer permanent, but instead, it is either defrosting in some part of year and then forming again, or has been totally absent from some regions in the present.
That has caused changes in the rules governing building on permafrost. The reason for the changes is that the old techniques do not work properly anymore, and the permafrost changes are making change in the landscape, making big damages on the infrastructure in meantime.
M
Because I took this class last year
But I’m also guessing
El espacio marítimo argentino es el área compuesta por el mar adyacente a las costas continentales de Argentina y de sus islas, así como también el lecho y subsuelo de sus áreas marinas, sus recursos vivos , minerales y sobre su espacio aéreo marino, sobre el cual ejerce soberanía en distintos grados: aguas interiores
A natural resource is a resource that exists without any actions of humankind. This includes all valued characteristics such as commercial and industrial use, aesthetic value, scientific interest and cultural value. On Earth, it includes sunlight, atmosphere, water, land along with all vegetation, and animal life.To provide care for natural resources we can plant more trees, save electricity, go paperless or use less paper, quit smoking. There’s many ways to care for natural resources.